Writing Touchscreen calibration utility

Jim Gettys Jim.Gettys at hp.com
Fri Sep 17 19:38:10 PDT 2004


Derrick,

I think there is a way in the X Input extension to get your
hands on the raw coordinates (at least in principle).
			- jim

On Fri, 2004-09-17 at 14:41, Derrick Wippler wrote:
> Shouldn't there be a interface to the driver, where an application could 
> request direct access to the hardware thru the driver? ( Without going thru 
> the  x event handler )
> 
> I Originally thought this might be possible but never looked into it, Instead 
> I ended up writing an elo calibration app in directFB for the Xserver, Which 
> really puts a fine point on Xserver's weakness in this area, to say the 
> least. 
> 
> All that is needed is for the driver to export(expose) xf86EloGetPacket() 
> somehow? Touchscreen input drivers are the limit of my Xserver hacking atm. 




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